Rowing machine



FIG. 1 is a front perspective view of our rowing machine.

FIG. 2 is a right side view of FIG. 1 .

FIG. 3 is a left side view of FIG. 1 ; and,

FIG. 4 is a back perspective view of FIG. 1 .

The broken lines illustrate environmental features that form no part of the claimed design. The bottom surface of the rowing machine forms no part of the claimed design. Claimed surfaces are illustrated with shading lines. 

CLAIM The ornamental design for a rowing machine, as shown and described. 